tint->dawn: Shuffle source tree in preperation of merging repos
docs/ -> docs/tint/
fuzzers/ -> src/tint/fuzzers/
samples/ -> src/tint/cmd/
src/ -> src/tint/
test/ -> test/tint/
BUG=tint:1418,tint:1433
Change-Id: Id2aa79f989aef3245b80ef4aa37a27ff16cd700b
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/80482
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
diff --git a/src/tint/sem/node.h b/src/tint/sem/node.h
new file mode 100644
index 0000000..ecf630d
--- /dev/null
+++ b/src/tint/sem/node.h
@@ -0,0 +1,39 @@
+// Copyright 2021 The Tint Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#ifndef SRC_TINT_SEM_NODE_H_
+#define SRC_TINT_SEM_NODE_H_
+
+#include "src/tint/castable.h"
+
+namespace tint {
+namespace sem {
+
+/// Node is the base class for all semantic nodes
+class Node : public Castable<Node> {
+ public:
+ /// Constructor
+ Node();
+
+ /// Copy constructor
+ Node(const Node&);
+
+ /// Destructor
+ ~Node() override;
+};
+
+} // namespace sem
+} // namespace tint
+
+#endif // SRC_TINT_SEM_NODE_H_
